| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| TPA741DRG4 | Texas Instruments | Check for Price | Audio Amplifier, 0.35W, 1 Channel(s), 1 Func, CMOS, PDSO8 | TPA731DR vs TPA741DRG4 |
Part Details for TPA731DR by Texas Instruments
Results Overview of TPA731DR by Texas Instruments
- Distributor Offerings: (5 listings)
- Number of FFF Equivalents: (1 replacement)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (6 options)
- CAD Models: (Available)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
Applications
Consumer Electronics
Audio and Video Systems
Entertainment and Gaming
Available Datasheets
| Part # | Manufacturer | Description | Datasheet |
|---|---|---|---|
| TPA731DR | Texas Instruments | 700-mW Mono, Differential Input, Class-AB Audio Amplifier with Active High Shutdown 8-SOIC -40 to 85 |
Price & Stock for TPA731DR
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
TPA731DR-ND
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DigiKey | IC AUDIO AMP AB 8-SOIC Min Qty: 2500 Container: Tape & Reel |
0 Tape & Reel |
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$1.0570 / $1.0976 | Buy Now |
|
DISTI #
595-TPA731DR
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Mouser Electronics | Audio Amplifiers Mono Diff Input Clas s-AB RoHS: Compliant | 0 |
|
$1.8700 / $3.5900 | Order Now |
|
DISTI #
86296228
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Verical | Audio Amp Speaker 1-CH Mono 0.7W Class-AB 8-Pin SOIC T/R RoHS: Compliant Min Qty: 224 Package Multiple: 1 Date Code: 1301 | Americas - 37060 |
|
$1.4125 / $1.6750 | Buy Now |
|
DISTI #
86289629
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Verical | Audio Amp Speaker 1-CH Mono 0.7W Class-AB 8-Pin SOIC T/R RoHS: Compliant Min Qty: 224 Package Multiple: 1 Date Code: 0701 | Americas - 9766 |
|
$1.4125 / $1.6750 | Buy Now |
|
|
Rochester Electronics | Audio Amplifier Class AB 1-Channel (Mono) 700mW 8-SOIC T/R RoHS: Compliant Status: Active Min Qty: 1 | 46826 |
|
$1.1300 / $1.4100 | Buy Now |
US Tariff Estimator: TPA731DR by Texas Instruments
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
TPA731DR CAD Models
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TPA731DR Part Data Attributes
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TPA731DR
Texas Instruments
Buy Now
Datasheet
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Compare Parts:
TPA731DR
Texas Instruments
Audio Amplifier, 0.7W, 1 Channel(s), 1 Func, CMOS, PDSO8
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Part Package Code | SOIC | |
| Pin Count | 8 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.33.00.01 | |
| Bandwidth-Nom | 20 Khz | |
| Consumer IC Type | Audio Amplifier | |
| Harmonic Distortion | 0.5% | |
| JESD-30 Code | R-PDSO-G8 | |
| JESD-609 Code | e4 | |
| Length | 4.9 Mm | |
| Moisture Sensitivity Level | 1 | |
| Number of Channels | 1 | |
| Number of Functions | 1 | |
| Number of Terminals | 8 | |
| Operating Temperature-Max | 85 °C | |
| Operating Temperature-Min | -40 °C | |
| Output Power-Nom | 0.7 W | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | SOP | |
| Package Equivalence Code | SOP8,.25 | |
| Package Shape | Rectangular | |
| Package Style | Small Outline | |
| Peak Reflow Temperature (Cel) | 260 | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 1.75 Mm | |
| Supply Current-Max | 2.5 Ma | |
| Supply Voltage-Max (Vsup) | 5.5 V | |
| Supply Voltage-Min (Vsup) | 2.5 V | |
| Surface Mount | Yes | |
| Technology | Cmos | |
| Temperature Grade | Industrial | |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | |
| Terminal Form | Gull Wing | |
| Terminal Pitch | 1.27 Mm | |
| Terminal Position | Dual | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 3.9 Mm |
Alternate Parts for TPA731DR
This table gives cross-reference parts and alternative options found for TPA731DR. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of TPA731DR, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
TPA731DR Frequently Asked Questions (FAQ)
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Texas Instruments provides a recommended PCB layout in the TPA731DR datasheet, which includes guidelines for component placement, trace routing, and thermal management. It's essential to follow these guidelines to ensure optimal performance, thermal dissipation, and electromagnetic compatibility (EMC).
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The input capacitor values depend on the input signal frequency, amplitude, and source impedance. A general rule of thumb is to use a capacitor with a value between 1uF to 10uF, with a voltage rating that exceeds the maximum input signal amplitude. It's also important to consider the capacitor's equivalent series resistance (ESR) and ensure it's low enough to minimize signal attenuation.
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The maximum power dissipation of the TPA731DR depends on the ambient temperature, package type, and thermal management. According to the datasheet, the maximum power dissipation is 2.5W for the DRC package and 1.5W for the DSBGA package. However, it's essential to perform thermal calculations and ensure proper heat sinking to prevent overheating and ensure reliable operation.
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Yes, the TPA731DR can be used as a line driver, but it's essential to consider the output impedance, gain, and frequency response. The TPA731DR has a relatively high output impedance (around 10 ohms), which may not be suitable for long cable runs or low-impedance loads. Additionally, the gain and frequency response may need to be adjusted using external components to meet the specific requirements of the application.
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To protect the TPA731DR from electrostatic discharge (ESD) and overvoltage, it's essential to implement proper ESD protection measures, such as using ESD-protection diodes, TVS diodes, or surge protectors. Additionally, ensure that the power supply voltage does not exceed the maximum rating of 5.5V, and consider using voltage regulators or overvoltage protection circuits to prevent damage from voltage transients.